American Whirlpool Hot Tub Gallery Click on the image to bring up that model's spec sheet. 100 151 160 171 250 261 270 271 280 281 282 451 460 461 470 471 472 480 481 881 890 982 American Whirlpool Swim Spa Gallery Click on the image to bring up that model's spec sheet. DM8 MB4 ML4 MX6 RB4 RL4 RS2